Solve.2r + 4 = 16

A. r = 6
B. r = 4
C. r = 10
D. r = 14


Answer: A

Mathematics

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A. 417,000 L B. 0.417 L C. 4.17 L D. 41,700 L

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Graph the inequality.y ? 3x + 4

A.

B.

C.

D.

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Write the interval as an inequality involving x, and illustrate the inequality using the real number line.[-1, 4]

A. -1 < x ? 4

B. -1 ? x < 4

C. -1 < x < 4

D. -1 ? x ? 4

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Add or subtract as indicated. Express the answer as a single polynomial in standard form.(4x2 + 2) - (-x3 + 10x2 - 10)

A. x3 + 14x2 - 8 B. x3 - 6x2 + 12 C. 5x3 + 10x2 + 12 D. 5x3 + 12x2 + 10

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